第3题
A、When lifting up heels, we should keep our toes on the ground with both legs straight and knees together.
B、The heel should be lifted up as high as possible and Baihui point will raise at the same time. C提踵、提肛同时进行。
C、Lifting up heels and anus at the same time.
D、None of the above is true.
第6题
A、equals
B、contants
C、starts with
D、ends with
第11题
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